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CN-224230035-U - System for realizing door closing operation of dry slag extractor of boiler

CN224230035UCN 224230035 UCN224230035 UCN 224230035UCN-224230035-U

Abstract

The utility model discloses a system for realizing the door closing operation of a dry slag extractor of a boiler, which relates to the technical field of the dry slag extractor, and comprises the dry slag extractor and a slag hopper, wherein vertical plates connected with the dry slag extractor are arranged on the front side and the rear side of the bottom of the slag hopper, a temperature field and image materials in the slag hopper are acquired through a dual-spectrum thermal imaging camera, image recognition and temperature field judgment are carried out through an image recognition analysis module, the working condition in the current slag hopper is analyzed, then an instruction is output through a device control system to control a hydraulic cylinder to open and close a door, intelligent slag extraction is carried out according to the working condition in the slag hopper, the door closing operation is realized, the exhaust gas temperature can be reduced, the air leakage is reduced, the efficiency of furnace efficiency and subsequent smoke environmental protection treatment is improved, the equipment operation time of a steel belt, a cleaning chain, a slag crusher and the like on the dry slag extractor is reduced through intermittent operation, the equipment abrasion is reduced, the service life of the equipment is prolonged, and the overhaul cost is reduced.

Inventors

  • MENG PENGQIANG
  • WU XINGBO

Assignees

  • 南京通用电气装备有限公司

Dates

Publication Date
20260512
Application Date
20250508

Claims (6)

  1. 1. The system for realizing the door closing operation of the dry slag extractor of the boiler is characterized by comprising the dry slag extractor (1) and a slag hopper (2), wherein vertical plates (3) connected with the dry slag extractor (1) are arranged on the front side and the rear side of the bottom of the slag hopper (2); The two ends of the dry slag extractor (1) are provided with brackets, the brackets are provided with a first hydraulic cylinder (5) and a second hydraulic cylinder (6), a piston rod of the first hydraulic cylinder (5) is connected with a shutoff door (4), and a piston rod of the second hydraulic cylinder (6) is provided with a coke squeezing assembly; The slag hopper (2) is provided with a double-spectrum thermal imaging camera (7) and a fixed pipe (8), and the double-spectrum thermal imaging camera (7) is opposite to the fixed pipe (8); The dual-spectrum thermal imaging camera (7) is electrically output and connected with the image recognition analysis module (9), the image recognition analysis module (9) is electrically output and connected with the equipment control system (10), and the equipment control system (10) is electrically output and connected with the first hydraulic cylinder (5) and the second hydraulic cylinder (6) respectively.
  2. 2. The system for realizing the operation of the dry slag extractor door closing of the boiler according to claim 1, wherein the coke extruding assembly comprises a connecting frame (15) connected with a piston rod of a hydraulic cylinder II (6), a fixed plate (16) is arranged on the connecting frame (15), the top of the fixed plate (16) is attached to a slag hopper (2), the bottoms of the fixed plate (16) and the connecting frame (15) are attached to a closing door (4), through grooves (17) and convex plates (18) are uniformly arranged on the fixed plate (16), bolts (19) are arranged on the convex plates (18), a fixed block (20) is attached to the through grooves (17), a saw-tooth block (21) and a positioning plate (22) are arranged on the fixed block (20), the positioning plate (22) is connected with the bolts (19), and lifting lugs (31) are arranged on the top of the positioning plate (22).
  3. 3. A system for realizing the closing operation of a dry slag extractor of a boiler according to claim 2, wherein the top parts of the two side fixing plates (16) which are far away from each other are respectively connected with a top plate (23), and the two side connecting frames (15) are respectively provided with a bottom plate (24).
  4. 4. The system for realizing the operation of the dry slag extractor door closing of the boiler according to claim 2, wherein the connecting frame (15) is provided with a one-way screw rod assembly (25), the one-way screw rod assembly (25) is in threaded connection with a sliding block (26) sliding on the connecting frame (15), the sliding block (26) is provided with an electric push rod (27), the output end of the electric push rod (27) is provided with a placing plate (28), the top of the placing plate (28) is in contact with one of the positioning plates (22), the placing plate (28) is provided with a two-way screw rod assembly (29), two side output ends of the two-way screw rod assembly (29) are both in threaded connection with clamping plates (30) which are in sliding connection with the placing plate (28), and the clamping plates (30) are in contact with one of the positioning plates (22).
  5. 5. The system for realizing the door closing operation of the dry slag extractor of the boiler according to claim 1, wherein a slag hopper temperature sensor (11) is arranged on the slag hopper (2), a steel belt temperature sensor (12) is arranged on the dry slag extractor (1), the slag hopper temperature sensor (11) and the steel belt temperature sensor (12) are electrically output and connected with a device control system (10), and the device control system (10) is electrically output an emergency ventilation cooling system (13) and an emergency spraying system (14) respectively.
  6. 6. A system for realizing the door closing operation of a dry slag extractor of a boiler according to claim 5, wherein the emergency ventilation cooling system (13) and the emergency spraying system (14) are respectively provided with a pipeline communicated with the dry slag extractor (1) and a slag hopper (2).

Description

System for realizing door closing operation of dry slag extractor of boiler Technical Field The utility model relates to the technical field of dry slag discharging machines, in particular to a system for realizing the operation of closing a door of a dry slag discharging machine of a boiler. Background The dry slag extractor is pulverized coal furnace bottom slag treatment equipment and is used for cooling and conveying hot slag. The slag well, slag bin and other equipment are set in the front and back to form one dry slag discharging system. According to the technical scheme, the shut-off door is always in an open state when the boiler operates, so that air leakage and smoke exhaust temperature can be increased, the boiler efficiency is affected, a structure on a lower dry slag extractor is always in an operating state, equipment abrasion is increased, and the service life of equipment is reduced. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a system for realizing the operation of closing the door of a dry slag extractor of a boiler, which solves the problems existing in the prior art. The system for realizing the door closing operation of the dry slag extractor of the boiler comprises the dry slag extractor and a slag bucket, wherein vertical plates connected with the dry slag extractor are arranged on the front side and the rear side of the bottom of the slag bucket; The two ends of the dry slag extractor are provided with brackets, the brackets are provided with a first hydraulic cylinder and a second hydraulic cylinder, a piston rod of the first hydraulic cylinder is connected with a shut-off door, and a piston rod of the second hydraulic cylinder is provided with a coke squeezing assembly; The slag hopper is provided with a double-spectrum thermal imaging camera and a fixed pipe, and the double-spectrum thermal imaging camera is opposite to the fixed pipe; the electric output of the double-spectrum thermal imaging camera is connected with the image recognition analysis module, the electric output of the image recognition analysis module is connected with the equipment control system, and the equipment control system is respectively and electrically connected with the first hydraulic cylinder and the second hydraulic cylinder. Preferably, the coke extrusion assembly comprises a connecting frame connected with a hydraulic cylinder two piston rod, a fixed plate is arranged on the connecting frame, the top of the fixed plate is attached to the slag bucket, the bottom of the fixed plate and the bottom of the connecting frame are attached to the closing door, through grooves and convex plates are uniformly formed in the fixed plate, bolts are arranged on the convex plates, a fixed block is attached to the through grooves, a sawtooth block and a positioning plate are arranged on the fixed block, the positioning plate is connected with the bolts, and lifting lugs are arranged at the top of the positioning plate. Preferably, the top of the two sides fixing plates far away from one another is connected with a top plate, and the two sides connecting frames far away from one another are provided with bottom plates. Preferably, the connecting frame is provided with a unidirectional screw rod assembly, the unidirectional screw rod assembly is provided with a sliding block which slides on the connecting frame in a screwed manner, the sliding block is provided with an electric push rod, the output end of the electric push rod is provided with a placing plate, the top of the placing plate is contacted with one of the positioning plates, the placing plate is provided with a bidirectional screw rod assembly, the output ends on two sides of the bidirectional screw rod assembly are provided with clamping plates which are connected with the placing plate in a screwed manner, and the clamping plates are contacted with one of the positioning plates. Preferably, a slag bucket temperature sensor is arranged on the slag bucket, a steel belt temperature sensor is arranged on the dry slag extractor, the slag bucket temperature sensor and the steel belt temperature sensor are electrically output and connected with an equipment control system, and the equipment control system is electrically output to an emergency ventilation cooling system and an emergency spraying system respectively. Preferably, the emergency ventilation cooling system and the emergency spraying system are both provided with pipelines communicated with the dry slag extractor and the slag hopper. Advantageous effects The utility model provides a system for realizing the door closing operation of a dry slag extractor of a boiler. Compared with the prior art, the method has the following beneficial effects: 1. This realize system of boiler dry-type slag extractor door closing operation obtains temperature field and image material in the sediment fill through the bispectral thermal imaging camera, carry out image re